Styrax tonkinensis
Styrax tonkinensis · Accepted scientific name
Scientific literature: Very Sparse (1 studies) · ★☆☆☆☆
Styrax tonkinensis is a botanical species renowned for producing a highly valued medicinal resin. This plant contains diverse bioactive compounds that exhibit significant pharmacological activities, including acting as an aldose-reductase inhibitor and an anesthetic. While it offers therapeutic potential, the species also functions as an allelochemic and can be considered allergenic to certain individuals. Researchers continue to study its chemical profile to better understand its complex biological effects. Ultimately, the unique properties of this plant make it a subject of great interest in both traditional and modern science.
- Synonyms
- Styrax Subniveus · Styrax Macrothyrsus · 2 more
- Common names
- Not available
- Family
- Styracaceae
- Distribution
- Africa
- Plant Parts
- Not available
Classification
Common Names
Styrax tonkinensis is a versatile plant known by several different names depending on the regional context. It is frequently referred to as the Lao benzointree or the Siam benzoin in various botanical circles. Many enthusiasts also recognize the species as the Siam benzointree or the siambensoeträd. In certain linguistic variations, it can even be found listed as styrax tonkinský. This variety of common names highlights the widespread recognition of the tree across different cultures.
Sources: Catalogue of Life (COL)
Synonyms
Styrax tonkinensis is a botanical species that is frequently identified by several different scientific names in various taxonomic records. Within botanical literature, it is recognized as a synonym of Anthostyrax tonkinensis. This plant is also closely linked to the name Styrax hypoglaucus in many classifications. Furthermore, the species shares synonyms with Styrax macrothyrsus and Styrax subniveus. Understanding these overlapping identities is essential for researchers navigating the complex history of this plant's nomenclature.
Sources: The World Checklist of Vascular Plants (WCVP)
Taxonomy
Styrax tonkinensis belongs to the vast kingdom Plantae, representing a unique branch of the natural world. Within this kingdom, it is classified under the class Equisetopsida and falls into the order Ericales. Its specific lineage continues through the family Styracaceae, which highlights its distinct botanical characteristics. Furthermore, this species is a proud member of the genus Styrax. Understanding these taxonomic relationships provides essential insight into the plant's evolutionary history.
| Rank | Classification |
|---|---|
| Kingdom | Plantae |
| Phylum | Streptophyta |
| Class | Equisetopsida |
| Subclass | Magnoliidae |
| Order | Ericales |
| Family | Styracaceae |
| Genus | Styrax |
Sources: The World Checklist of Vascular Plants (WCVP)
Distribution
Geographic Regions
Styrax tonkinensis exhibits a diverse geographical range that spans across various Asian climates. In temperate regions, the species is widely distributed throughout China, specifically within the South-Central and Southeast territories. Its presence extends significantly into tropical zones as well, highlighting its adaptability to different environments. Within these tropical landscapes, the plant is commonly found across the Indo-China peninsula. Specifically, it thrives in the diverse ecosystems of Cambodia, Laos, and Myanmar.
Sources: The World Checklist of Vascular Plants (WCVP)
Identification
Morphology
Styrax tonkinensis is a self-supporting tree that establishes a sturdy presence in its natural habitat. This species follows a distinct growth form, developing into a structured woody plant as it matures. Reaching a maximum height of 20 meters, it provides a significant canopy within its ecosystem.
Sources: Global Inventory of Floras and Traits (GIFT)
Biological Activities
Styrax tonkinensis has demonstrated significant antiproliferative activity through the specific triterpenoids found within its resin. Researchers successfully isolated four new triterpenoids along with five known compounds, all of which showed an ability to inhibit the growth of human leukemia HL-60 cells. Among these substances, oleanolic acid emerged as the most potent antiproliferative agent tested. While some compounds were more effective at halting cell growth, others, such as 3beta,6beta-dihydroxy-11-oxo-olean-12-en-28-oic acid, were notable for inducing cell differentiation. These findings highlight the complex medicinal potential of the chemical constituents derived from this plant species.
Compounds
Conditions
Styrax tonkinensis contains compounds that demonstrate significant anti-inflammatory activity. Specifically, certain enantiomers isolated from its resin can inhibit COX-2 in a dose-dependent manner. These same components are also effective at treating LPS-induced iNOS in RAW264.7 cells. Furthermore, triterpenoids derived from the plant exhibit antiproliferative effects against human leukemia HL-60 cells. This biological versatility highlights the plant's potential in addressing both inflammatory and cancerous cellular processes.
Preparations
Styrax tonkinensis is prepared as a resin from which various triterpenoids can be isolated. These extracted compounds, including several new and known triterpenes, demonstrate significant biological activity. Specifically, the resin yields substances like oleanolic acid that serve as effective antiproliferative agents against human leukemia cells. Other components derived from the resin, such as 3beta,6beta-dihydroxy-11-oxo-olean-12-en-28-oic acid, are capable of inducing cellular differentiation. Ultimately, the chemical profile of the resin makes this plant a valuable source for studying potent triterpenoid effects.